My Oracle Support Banner

Multicast Timeout Errors When IGMP Snooping is Enabled (Doc ID 2227243.1)

Last updated on NOVEMBER 14, 2022

Applies to:

Oracle WebLogic Server - Version 10.3.5 and later
Information in this document applies to any platform.

Symptoms

Customer reported that they increased the number of their managed servers from 8 to 18. They got a recommendation to use the multicast messaging mode whenever using a cluster size greater than 8, so they set up multicast. After doing so, they began to see multicast timeout errors like the following:

Customer reported shutting down all the new nodes and testing with the original 8 nodes, but the same issue occurred. However, when they switched back to Unicast, the issue did not recur.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.